Calca vs Obsidian Web Clipper

Calca is a powerful symbolic calculator that gives you instant answers as you type. It solves equations and simplifies complex expressions - it's a computer algebra system in your pocket! It's also a rich Markdown text editor so that you can explain your ideas alongside your calculations. Calca is perfect for professionals and students - anyone who works with numbers and equations. Variables and functions can be created with only a few keystrokes and can be manipulated with a rich library of operators and functions. Calca updates as you type - just like a spreadsheet. You can declare variables, edit their values and watch everything update before your eyes. Since everything is calculated on the device - no network needed - you get answers instantaneously. All calculations are stored as plain text so you can easily share them with other editors and move them from device to device. Calca has been designed to work with iCloud documents so all your devices can access your calculations - you'll always have the latest files ready for viewing and editing. Calca comes with a suite of examples to help you get started covering topics from home mortgages to kinetics. All these examples are fully explained within Calca itself. Are you still using a desktop calculator? Are you using the calculator with the giant buttons that came with your OS? Computers are much more capable than doing simple one-line arithmetic - put your machine to work with Calca! Calculation Features: • Variables `x = 42` • Functions `f(c) = 9/5*c + 32` and even recursive functions • Units `42 mph in kmph` and currency `¥599 in $` • Solves equations (`x + 2x + 4x = 42`, what is x?) • Matrices with inverses so you can solve linear equations • Sum, prod, map, and reduce operations on lists, matrices, and ranges • Trigonometry and complex numbers • Derivatives of functions • Logic operations and if statements • Binary math (& and |) and support for binary and hex number (`0xA9` and `0b1010`) • Keeps track of units (m, s, m/s, m/s^2, etc.) so you can verify your equations as you compute Please visit http://calca.io to see lots of examples. Thank you for looking!

Bring the web to your personal knowledge base. Save content to your Obsidian vault so you always have access to it, even offline. Obsidian is secure, private, and designed around durable open formats that allows you to preserve your data for the long term. Whether you're researching for a project, saving recipes, bookmarking travel destinations, or collecting inspiring articles, the Obsidian Web Clipper helps you organize your ideas. - Clip anything: From news articles and blog posts to recipes, product pages, and research papers — if it's on the web, you can save it. - Select page content: Clip entire pages, selected text, or let the clipper intelligently extract just the main content. - Customizable templates: Create tailored templates to automatically extract metadata from web pages. Perfect for academics, movie buffs, book lovers, or anyone who wants structured notes. - Smart triggers: Set up rules to automatically apply the right template based on the website you're clipping from. - Seamless integration: all your clips flow directly into Obsidian, in the vault and folder of your choice. As with everything Obsidian, Web Clipper is designed to protect your privacy, and give you control over your data. - No lock-in: All your clips are saved in clean, durable, portable Markdown files — no proprietary formats. - Offline access: your saved clips are saved locally, and always at your fingertips, with or without an internet connection. - 100% private: all your clipped content is stored locally in your Obsidian vault. Your thoughts are yours. Obsidian helps you create connections and links between your notes so you can organize your thoughts. You can create links between everything — ideas, articles, lists, locations, books — anything you can put in a note, you can link to other notes.